<template>
  <div class="login-container">
    <div class="logo" />
    <div class="form">
      <h1>登录</h1>
      <el-card shadow="never" class="login-card">
        <!--登录表单-->
        <!-- // 指定 model 和 rules 属性 -->
        <el-form ref="loginRef" :model="loginForm" :rules="loginRules">
          <!-- // 制定 prop 属性 -->
          <el-form-item prop="mobile">
            <el-input v-model="loginForm.mobile" placeholder="请输入手机号" />
          </el-form-item>
          <el-form-item prop="password">
            <el-input
              v-model="loginForm.password"
              type="password"
              placeholder="请输入密码"
            />
          </el-form-item>
          <el-form-item prop="isAgree">
            <el-checkbox
              v-model="loginForm.isAgree"
            >用户平台使用协议</el-checkbox>
          </el-form-item>
          <el-form-item>
            <el-button
              :loading="loading"
              style="width: 350px"
              type="primary"
              @click="handleSubmit"
            >登录</el-button>
          </el-form-item>
        </el-form>
      </el-card>
    </div>
  </div>
</template>
<script>
import { Message } from 'element-ui'
import { mapActions } from 'vuex'
import { getUserInfo } from '@/api/user'
export default {
  name: 'Login',
  data() {
    return {
      loading: false,
      loginForm: {
        mobile: '13800000002',
        password: 'hm#qd@23!',
        isAgree: true
      },
      // 定义规则
      loginRules: {
        mobile: [
          {
            required: true,
            message: '请输入手机号码',
            trigger: 'blur'
          },
          {
            pattern: /^1[2-9]\d{9}$/,
            message: '请输入正确的手机号码',
            trigger: 'blur'
          }
        ],
        password: [
          {
            required: true,
            message: '请输入密码',
            trigger: 'blur'
          },
          {
            min: 6,
            max: 16,
            message: '请输入 6~16 的密码',
            trigger: 'blur'
          }
        ],
        isAgree: [
          /* {
            // !只要有 就符合条件，required true 只能校验 '', null, undefined，但是区分不出 true or false
            required: true,
            message: '请勾选协议',
            trigger: 'change'
          } */
          {
            validator: (_, value, callback) => {
              // value => 收集到的数据
              // !无论成功失败都调用 callback，失败传递错误对象，成功不用传递参数
              return value ? callback() : callback(new Error('请勾选协议'))
            }
          }
        ]
      }
    }
  },
  methods: {
    // ...mapActions(模块名, [action 方法名])
    ...mapActions('user', ['login']),
    // ...mapActions([模块名/action 方法名])
    // ...mapActions(['user/login']),
    async handleSubmit() {
      this.$refs.loginRef.validate(async(isValid) => {
        if (isValid) {
          try {
            this.loading = true
            // this.login 是异步的方法，希望完事之后再跳转
            await this.login(this.loginForm)
            Message.success('登录成功')
            // location.reload()
            const redirect = this.$route.query.redirect
            // this.$store.state.user.userInfo.roles.menus
            const { roles: { menus: currentUserMenus }} = await getUserInfo()
            // 当前用户拥有 redirect 这个地址的权限
            if (redirect && currentUserMenus.includes(redirect.substring(1))) {
              this.$router.push(redirect)
            } else {
              this.$router.push('/')
            }
          } catch (e) {
            // Message.error('登录失败')
            console.log(e)
          } finally {
            // 无论成功失败都会走这儿，都要关闭 loading
            this.loading = false
          }
        }
      })
      // !#1 第一种触发方式
      // this.$store.dispatch('user/login', this.loginForm)
      // !#2 第二种触发方式
      // this.login(this.loginForm)
      // !#3 第二种触发方式
      // this['user/login'](this.loginForm)
    }
  }
}
</script>
<style lang="scss">
.login-container {
  display: flex;
  align-items: stretch;
  height: 100vh;

  .logo {
    flex: 3;
    background: rgba(38, 72, 176) url(../../assets/common/login_back.png)
      no-repeat center / cover;
    border-top-right-radius: 60px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: center;
    padding: 0 100px;

    .icon {
      background: url(../../assets/common/logo.png) no-repeat 70px center /
        contain;
      width: 300px;
      height: 50px;
      margin-bottom: 50px;
    }

    p {
      color: #fff;
      font-size: 18px;
      margin-top: 20px;
      width: 300px;
      text-align: center;
    }
  }

  .form {
    flex: 2;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-left: 176px;

    .el-card {
      border: none;
      padding: 0;
    }

    h1 {
      padding-left: 20px;
      font-size: 24px;
    }

    .el-input {
      width: 350px;
      height: 44px;

      .el-input__inner {
        background: #f4f5fb;
      }
    }

    .el-checkbox {
      color: #606266;
    }
  }
}
</style>
